Episode 1 | Empty Nest

NCIS searches for a missing undercover agent in the midst of an active hostage situation.

Episode 2 | Foreign Bodies

As Vance prepares to host diplomatic talks with Venezuela, the team is called in to investigate the dead body of one of his inside men.

Episode 3 | The Trouble with Hal

NCIS is called in to investigate when a lieutenant returns home on the eve of Halloween to find a surprise party being thrown for someone else at his place.

Episode 4 | Sticks & Stones

After receiving intelligence on deadly threats to multiple locations that could lead to a catastrophic war, NCIS is called in to try to neutralize the danger.

Episode 5 | In from the Cold

NCIS works with the CIA to discover what secrets are being kept by Captain Butler, an elderly former spy with dementia.

Episode 6 | Knight and Day

Things become tense when Knight is assigned to protect his wife after the home of a high-level defense contractor is attacked.

Episode 7 | Hardboiled

Torres receives intel from a confidential informant regarding top secret naval information that's at risk of being sold.

Episode 8 | Out of Control

NCIS investigates a murder related to a car that begins driving on its own.

Episode 9 | Humbug

NCIS has to find out the truth behind a tell all book that threatens a decorated Marine's life before it is published.

Episode 10 | Baker's Man

After NCIS learns that the owner of Parker's favorite bakery is being blackmailed, they hatch a plan to save her from the perpetrators; tensions heighten when Torres' secret romance is discovered.

Episode 11 | For Better or Worse

A marine's death leads to Torres's undercover op with gang robbing naval bases. When Knight meets him, gang members catch them. She claims they're engaged. They plan fake wedding hoping to lure gang's unknown leader.

Episode 12 | Fun and Games

NCIS investigates the fatal poisoning of one of Kasie's forensic scientists. McGee is questioned by the Pentagon regarding the contents of his book.

Episode 13 | Bad Blood

NCIS probes a Navy lieutenant's death at a blood bank while McGee seeks team support for his twins' school fundraiser.

Episode 14 | Close to Home

Jimmy's daughter finds a bag of money and turns it to Torres. They learn it came from a bank robbed 15 years ago.

Episode 15 | Moonlit

After a Navy lieutenant's death reveals ties to Special Agent Sawyer , Torres and Knight uncover a murder linked to a wealthy family. Parker is shocked to find a link between his mother's death and Lily.

Episode 16 | Ladies' Night

A girl's night out takes an unexpected turn when NCIS is called on to investigate the motives of a possible arsonist.

Episode 17 | Killer Instinct

After NCIS captures the hitman known as "The Poet," the team races to uncover who ordered the assassination of a Navy chief.

Episode 18 | After the Storm

When a trio of combat vets are found murdered in a D.C. motel room, NCIS tracks down a suspect who refuses to talk to anyone but Sam Hanna.

Episode 19 | Irreconcilable Differences

McGee's career and credibility are on the line when he investigates the deputy director for corruption. Also, Torres and Knight receive some surprising news.

Episode 20 | Nexus

A deadly alliance between a cartel and a mob boss leads NCIS to discover missing nuclear materials, forcing Parker to make risky choices that could impact both the mission and his career.